Built-up core for the bead of a pneumatic tire for wheel rims wi

Details Built-up core for the bead of a pneumatic tire for wheel rims wi Built-up core for the bead of a pneumatic tire for wheel rims wi

1979-12-20

1981-09-22

Goolkasian, John T.

Resilient tires and wheels

Tires, resilient

Patches

245 15, B60C 1504

Patent

active

042904714

ABSTRACT:
In a built-up core for the bead of a pneumatic tire, the wires (A,B,C) of each lay (8) of the built-up core (4) are of a trapezoidal cross section. Between the wires (A,B,C) of each lay (8) of wire and the wires (A,B,C) of the next, overlying lay (8) of wire, there are wedge-shaped clearances (9). As a result, the wires (A,B,C) of each lay (8) of wire find a support on the edges of the wire of the underlying lay of wires so that they cannot be displaced against each other during the production of the tire.

REFERENCES:
patent: 3142327 (1964-07-01), Herzegh
patent: 3949800 (1976-04-01), Lejeune
patent: 4166492 (1979-09-01), Pfeiffer

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